There's one plugin that traditionally used NPAPI that's special: Flash. Chrome and Edge both embed and update their own versions of the Flash plugin, and even after 2016, Firefox will continue to ...

As Mozilla noted, other browser makers have also ditched NPAPI plugins. Google dropped support in April with the release of Chrome 42, and Microsoft killed them with the launch of Edge in July.

Starting with March 7, when Mozilla is scheduled to release Firefox 52, all plugins built on the old NPAPI technology will stop working in Firefox, except for Flash, which Mozilla plans to support ...

Google Chrome and Microsoft Edge have already dropped support for NPAPI plugins, so Mozilla is playing a bit of catch-up here.

Late Thursday, Mozilla announced on its blog that Firefox would stop supporting plugins based on the Netscape Plugin Application Programming Interface (NPAPI) architecture by the end of 2016.

Mozilla next month will bar plug-ins built using a decades-old technology from Firefox, ending a years-long effort to make the browser more secure.